Justin King
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Sainsbury's boss Justin King on 'disappointing' sales

18 March 2014 Last updated at 13:58 GMT

Sainsbury's boss Justin King has said it is disappointing to be reporting a 3.1% fall in like-for-like sales after nine years of growth, but said the chain had maintained its market share.

Speaking to the BBC's Emma Simpson, he blamed a tough market and outlined some of the challenges ahead.

He also spoke about Morrisons' recent move to be more competitive on pricing.